#51DB8B#51DB8B

#51DB8B is a light, vivid green. Relative luminance 0.543; OKLCH L 79.7% C 0.165 H 154.3°. Best body text is #000000 at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#51DB8B
RGB	rgb(81, 219, 139)
HSL	hsl(145, 66%, 59%)
HSV	hsv(145, 63%, 86%)
CMYK	cmyk(63%, 0%, 36.5%, 14.1%)
CIE-LAB	lab(78.62, -55.07, 28.61)
CIE-LCH	lch(78.62, 62.06, 152.55°)
OKLab	oklab(79.68% -0.1491 0.0716)
OKLCH	oklch(79.68% 0.165 154.3)
XYZ	xyz(33.3822, 54.2730, 33.1376)
Luminance	0.5428 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB8B #DB51A1

analogous

#5CDB51 #51DB8B #51DBD0

triadic

#51DB8B #8B51DB #DB8B51

tetradic

#51DB8B #515CDB #DB51A1 #DBD051

square

#51DB8B #515CDB #DB51A1 #DBD051

split-complementary

#51DB8B #D051DB #DB515C

monochromatic

#1E934F #29C66B #51DB8B #84E5AD #B6F0CF

Accessibility & contrast

On white

1.77

#51DB8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.86

#51DB8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB8B

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB8B	#FFFFFF	#000000	##000000
##51DB8B	1.00	1.77	11.86	11.86
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.86	21.00	1.00	1.00
##000000	11.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBCA86

Deuteranopia (green-blind)

#C9BD90

Tritanopia (blue-blind)

#09D9C7

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51db8b;
/* rgb */ color: rgb(81, 219, 139);
/* oklch */ color: oklch(79.7% 0.165 154.3);

Tailwind

colors: {
  custom: {
    50: '#8fe7ad',
    500: '#51db8b',
    950: '#000000',
  },
}

SCSS

$custom: #51db8b;
$custom-light: #8fe7ad;
$custom-dark: #000000;

JSON

{
  "hex": "#51db8b",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 139
  },
  "hsl": {
    "h": 145.217,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79675,
    "c": 0.16546,
    "h": 154.3
  },
  "luminance": 0.54276
}

Semantic roles & 50–950 ramp

primary

#51DB8B

secondary

#983870

accent

#3FA1E9

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DB8B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →